Vacuum Diagrams: Introduction

This article contains schematics of vacuum hose routing. Use these vacuum diagrams during the visual inspection portion of BASIC DIAGNOSTIC PROCEDURES article. This will assist in identifying improperly routed vacuum hoses, which cause driveability and/or computer-indicated malfunctions.

Fig 1: Vacuum Diagram (G20)

Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 2: Vacuum Hose Routing (G20)

Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 3: Vacuum Diagram (I30 - California)

Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 4: Vacuum Hose Routing (I30 - California)

Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 5: Vacuum Diagram (I30 - Except California)

Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 6: Vacuum Hose Routing (I30 - Except California)

Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 7: Vacuum Diagram (Q45)

Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 8: Vacuum Hose Routing (Q45)

Courtesy of NISSAN MOTOR CO., U.S.A.